The archive consists of correspondence correspondence (1929-1934) with members, affiliated branches and other groups, annual reports (1929-1934), minutes and correspondence of the Equal Political Rights Campaign Committee (1927-1930), papers relating to the foundation of ERI (1926-1930) and to their work with the League of Nations (1930-1934), financial papers including the accounts of the ERI and the National Women's Party (1932-3).